Many manufacturers grade their windows with energy ratings.2. Check to see that the pacers that are placed between the two layers of the glass are not made of metal. If you are installing a new window, then you should look for these ratings. Remember that it may cost more than a secondary glazing, but that is a one-time cost. 3. This kind of glass has low powers of emission.
There are several alternatives to double glazing for those who cannot make any constructions on their properties. But first, how does double-glazing work? Double-glazed windows have two sheets of glass with a gap of a few millimeters in between them. This rating takes into account the overall energy-efficiency of the window.. Things to look for in the glass1. Glass with the ability to let in heat but trap it so that it doesn't escape is available. However when you purchase the glass for your window, you need to look out for a few things. Now, the kind of glass that you buy will decide how much energy you
